package com.insight.demo.msgpack;

import org.junit.Test;
import org.msgpack.MessagePack;
import org.msgpack.packer.Packer;
import org.msgpack.unpacker.Unpacker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.math.BigInteger;
import java.nio.ByteBuffer;

/**
 * MessagePack6Types
 *
 * @author yhu
 */
public class MessagePack6Types {
    final Logger logger = LoggerFactory.getLogger(MessagePack6Types.class);


    /**
     * Test MessagePack6Types
     */
    @Test
    public void testMessagePack6Types() {
        logger.debug("testMessagePack6Types for Types");

        MessagePack msgpack = new MessagePack();
        try {

            //
            // Serialization
            //
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            Packer packer = msgpack.createPacker(out);

            // Serialize values of primitive types
            packer.write(true); // boolean value
            packer.write(10); // int value
            packer.write(10.5); // double value

            // Serialize objects of primitive wrapper types
            packer.write(Boolean.TRUE);
            packer.write(new Integer(10));
            packer.write(new Double(10.5));

            // Serialize various types of arrays
            packer.write(new int[]{1, 2, 3, 4});
            packer.write(new Double[]{10.5, 20.5});
            packer.write(new String[]{"msg", "pack", "for", "java"});
            packer.write(new byte[]{0x30, 0x31, 0x32}); // byte array

            // Serialize various types of other reference values
            packer.write("MessagePack"); // String object
            packer.write(ByteBuffer.wrap(new byte[]{0x30, 0x31, 0x32})); // ByteBuffer object
            packer.write(BigInteger.ONE); // BigInteger object

            //
            // Deserialization
            //
            byte[] bytes = out.toByteArray();
            ByteArrayInputStream in = new ByteArrayInputStream(bytes);
            Unpacker unpacker = msgpack.createUnpacker(in);

            // to primitive values
            boolean b = unpacker.readBoolean(); // boolean value
            int i = unpacker.readInt(); // int value
            double d = unpacker.readDouble(); // double value

            // to primitive wrapper value
            Boolean wb = unpacker.read(Boolean.class);
            Integer wi = unpacker.read(Integer.class);
            Double wd = unpacker.read(Double.class);

            // to arrays
            int[] ia = unpacker.read(int[].class);
            Double[] da = unpacker.read(Double[].class);
            String[] sa = unpacker.read(String[].class);
            byte[] ba = unpacker.read(byte[].class);

            // to String object, ByteBuffer object, BigInteger object, List object and Map object
            String ws = unpacker.read(String.class);
            ByteBuffer buf = unpacker.read(ByteBuffer.class);
            BigInteger bi = unpacker.read(BigInteger.class);

        } catch (Exception ex) {
            logger.error("MessagePack Serialization And Deserialization error", ex);
        }
    }
}
